<script lang="ts" setup>

import type { Rule, RuleListParams } from '@/types/car';
import { getRuleListAPI } from '@/utils/car';
import { reactive, ref } from 'vue';
import { utils, writeFileXLSX } from 'xlsx';

const ruleList = ref<Rule[]>([])
const params = reactive<RuleListParams>({
  page: 1,
  pageSize: 10
})
const total = ref(0)


// 获取规则列表
const getRuleList = async () =>{
  const res = await getRuleListAPI(params)
  ruleList.value = res.data.rows
  total.value = res.data.total
}

getRuleList()

const chargeType :any = {
  'duration':'按时长收费',
  'turn':'按次收费',
  'partition':'分段收费'
}

const chargeTypeMap = new Map<Rule['chargeType'],string>([
  // [key , value ] 键值对
  ['duration' ,'时长收费'],
  ['turn' ,'按次收费'],
  ['partition','分段消费']
])

const exportToExcel  = ()=>{
  // 1.创建一个新的工作簿
  const workbook = utils.book_new()
  // 2.创建一个工作表,要求一个对象数组格式(可以根据需要创建多个)
  const worksheet = utils.json_to_sheet(ruleList.value.map((item,index)=>({
    ...item,
    id: index + 1, //把 id 覆盖成序号
    chargeType:chargeTypeMap.get(item.chargeType) //把chargeType覆盖成中文
  })))

  // 3.把工作表添加到工作簿中  
  utils.book_append_sheet(workbook ,worksheet ,' 计费规则')
  // 4.覆盖默认标题 (表格,二维数组,标题位置)
  utils.sheet_add_aoa (worksheet , [
    [    "序号",
        "计费规则编号",
        "计费规则名称",
        "免费时长(分钟)",
        "收费上限(元)",
        "计费方式",
        "计费规则",],
        ],
        {origin:'A1'}
      
      )
  // 5.导出下载xlsx 文件

  writeFileXLSX(workbook,'停车场计费规则.xlsx')
}
</script>

<template>
  <div class="rule-container">
    <div class="create-container">
      <el-button type="primary">增加停车计费规则</el-button>
      <el-button @click="exportToExcel()">导出Excel</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table :data="ruleList" style="width: 100%">
        <el-table-column type="index" label="序号" width="100" />
        <el-table-column label="计费规则编号" prop="ruleNumber" />
        <el-table-column label="计费规则名称" prop="ruleName" />
        <el-table-column label="免费时长(分钟)" prop="freeDuration" />
        <el-table-column label="收费上限(元)" prop="chargeCeiling" />
        <el-table-column label="计费方式">
          <template #default="row">
            {{ chargeTypeMap.get(row.chargeType)  }}
          </template>
        </el-table-column>
        <el-table-column label="计费规则" prop="ruleNameView" />
        <el-table-column label="操作" fixed="right" width="200">
          <template #default>
            <el-button size="small" type="text">编辑</el-button>
            <el-button size="small" type="text">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.rule-container {
  padding: 20px;
  background-color: #fff;
}

.rules .el-form-item {
  padding: 0 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container {
  padding: 4px 0px;
  text-align: right;
}

.form-container {
  padding: 0px 80px;
}
</style>